Weekly Kakuro (Cross Sums) #1
This is my first Weekly Kakuro, which, like I said, from now on will be posted every Thursday. I’m still struggling to determine their difficulty, but they will usually be very difficult.
Author: djape
Traveler. Tanguero. Sailor. Puzzle maker. PhD student. Computer Scientist. Author of over 70 puzzle books.
Kakuro
Nearly two years after I posted my first Killer Sudoku puzzle, I’d like to present you with it’s sibbling, my first ever Kakuro! For whatever the reason, I haven’t shown interest in these puzzles until recently. I thought I’d give…
Clueless Zero Killer Sudoku
This could well be the most difficult puzzle I’ve ever created. Yet, unlike some previous ones which were intentionally created to require trial&error, this one can surely be solved without guessing. This is a Zero Killer Sudoku puzzle in a…
Zero Killer Sudoku
A few visitors to my forum have been creating these puzzles for quite some time. Well, here is one from me. Rules: Everything is exactly the same as in your ordinary Killer Sudoku puzzles, except that there are even fewer…
The Law of Leftovers (LOL)
I promised to explain this technique, which applies to Jigsaw Sudoku (aka irregular blocks) puzzles, a while ago, so it’s time to keep the promise. You can find the same technique explained on various other sites, too. This technique is…
Jigsaw TwoDoku
Hello everyone, I’m back! 🙂 After a few weeks of no updates and some problems with the site, it’s time to get back to usual daily and weekly routines. The Washington Post Samurai Sudoku solutions have been updated. The Weekly…
Jigsaw Samurai Sudoku
It has been hinted that this kind of puzzle was going to be posted soon – and to end the suspense, here it is! 🙂 My first ever Jigsaw Samurai Sudoku! Not so many sites produce these puzzles. I might…
Jigsaw Sudoku
As promised, I will be posting more Jigsaw Sudoku puzzles. Here is a plain one, but soon you’ll get something of this kind but… hmmm… bigger! Can you think of anything that fits this description? Jigsaw Sudoku for Sunday, July…
Jigsaw Windoku
For some reason I haven’t really paid much attention to one very popular variant of Sudoku puzzles – Jigsaws. Well, that’s changed. I have now implemented Jigsaw Sudoku into my software and I will now start posting these puzzles often.…
Non-Consecutive and Killer Sudoku hybrid puzzle
Here is another unique puzzle – Non-Consecutive Killer Sudoku. If you ignore the non-consecutive rule, this puzzle has many solution. So, you must be careful not to place any two consecutive numbers next to each other! Then, the puzzle has…